So, what do you do when your Arduino project needs to operate in a remote area or as a portable device? There are LiPo battery shields available, and although they may work well, recharging ...
href=ralphsbacon&source=referral Get a timely warning before your batteries go flat! Battery-powered, Deep Sleep Arduino (ATMega328P) projects are great but how do you know when the batteries are ...
In order to sense the solar panel voltage a voltage divider was used to step it down, as it can be greater than the maximum voltage of 5V that the Arduino can handle and thus it can damage the board.
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